How to use

setAddress

method

in

javax.sdp.Origin

private static void fix(final Origin origin, final String externalIp) throws UnknownHostException, SdpException {
  if (origin != null) {
    if (Connection.IN.equals(origin.getNetworkType())) {
      if (Connection.IP4.equals(origin.getAddressType())) {
        final InetAddress address;
        try {
          address = DNSUtils.getByName(origin.getAddress());
          final String ip = address.getHostAddress();
          if (!IPUtils.isRoutableAddress(ip)) {
            origin.setAddress(externalIp);
          }
        } catch (UnknownHostException e) {
          // TODO do nothing cause domain name is unknown
          // origin.setAddress(externalIp); to remove
        }
      }
    }
  }
}

o.setAddress(defaultAddress.getHostAddress());
o.setAddressType(addressFamily);

@SuppressWarnings("unchecked")
private static String patch(final byte[] data, final String externalIp) throws UnknownHostException, SdpException {
  final String text = new String(data);
  if(logger.isInfoEnabled()){
    logger.info("About to patch ");
    logger.info("SDP :" + text);
    logger.info("Using externalIP: " + externalIp);
  }
  final SessionDescription sdp = SdpFactory.getInstance().createSessionDescription(text);
  SessionName sessionName = SdpFactory.getInstance().createSessionName("Restcomm B2BUA");
  sdp.setSessionName(sessionName);
  // Handle the connection at the session level.
  fix(sdp.getConnection(), externalIp);
  // Handle the connections at the media description level.
  final Vector<MediaDescription> descriptions = sdp.getMediaDescriptions(false);
  for (final MediaDescription description : descriptions) {
    fix(description.getConnection(), externalIp);
  }
  sdp.getOrigin().setAddress(externalIp);
  return sdp.toString();
}